Wyevale

Caryopteris x clandonensis (Bluebeard) 'Dark Knight'

£9.74 GBP

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Variant CT Dark Knight 3L

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A richly coloured shrub that dazzles with deep violet blue flowers clustered along arching stems from late summer into autumn, when few other plants bloom. The slender silver green leaves provide an elegant backdrop for the profuse floral display that attracts scores of butterflies and bees. More intensely coloured than many blue flowering shrubs, it forms a compact, rounded mound that fits perfectly into mixed borders or cottage gardens. The aromatic foliage releases a pleasant fragrance when brushed against, while the woody stems add subtle winter interest after the flowers fade. Thriving in full sun with well drained soil, it withstands drought once established and requires minimal pruning, making it ideal for low maintenance gardens seeking late season colour. Perfect for pairing with golden grasses or pink flowering perennials to create stunning contrasts.

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Caryopteris x clandonensis (Bluebeard) 'Dark Knight'

Family of Trees: Lamiaceae

Habit: Deciduous Shrub

Growth Rate: Moderate

Optimal Temperature: 15-25°C, hardy to -15°C

Harmful if Eaten?: Non-toxic to Humans and Pets

Flowers or Berries: Blue Flowers

Hardiness: H5 (Hardy)

Hardiness ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

○ H1a: under glass all year (>15C)
○ H1b: can be grown outside in the summer (10 - 15)
○ H1c: can be grown outside in the summer (5 - 10)
○ H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
○ H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
○ H4: hardy through most of the UK (-10 to -5)
○ H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
○ H6: hardy in all of UK and northern Europe (-20 to -15)
○ H7: hardy in the severest European continental climates (< -20)